Both arcs AB and AD are quarter circles of radius 5, figure on the right. Arc BCD is a semi- circle of radius 5 . What is the area of the region $$\(A B C D\)$$ ?
A.
25
B.
\(10+5 \pi\)
C.
50
D.
\(50+5 \pi\)
Exam No：2018 First Round Grade 6 Year：2018 Question No：36
Answer:
C
Knowledge points:
G6 - Geometry - Area (Triangles, Trapezoids, Composite)
Solution:
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